/Engine/Source/Runtime/Engine/Public/kDOP.h
Holds the min/max planes that make up a set of 4 bounding volumes.
struct FFourBox
FVector4[3]
Max
Max planes for this set of bounding volumes. Array index is X/Y/Z.
FVector4[3]
Min
Min planes for this set of bounding volumes. Array index is X/Y/Z.